*SHP Section

18JUN25
Type
Optional section

Description
Specify alternative (ie non-Voigt) line shapes for line-by-line calculation

Structure
Multiple records, any order
Record Structure
SHPNAM GAS(1) GAS(2) ... GAS(n)

Fields
FieldTypeDescription
SHPNAM C3 Lineshape to be used (as RFM *SHP section).
GAS C7 Molecule to which lineshape is applied, or '*'

Example
An unrealistically complicated example ...
*SHP Chi-factor CO2 ! Use CO2 sub-Lorentzian wings LORENTZ H2O CH4 ! Use Lorentz shape for H2O and CH4 LORENTZ N2O ! Also N2O VOI * ! Voigt shape for all other absorbers [default anyway] DOPP CO ! Doppler shape for CO